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Finding the Fourth Proportional to 199,134.51, 274,805.51 and 109,710.51

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Solution

The fourth proportional to 199,134.51, 274,805.51 and 109,710.51 is: 151,400.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,134.51 : 274,805.51 = 109,710.51 : x
  2. Step 2: Convert to fraction form
    199,134.51/274,805.51 = 109,710.51/x
  3. Step 3: Cross multiply
    199,134.51x = 274,805.51 × 109,710.51
  4. Step 4: Simplify right side
    199,134.51x = 30,149,052,104.36
  5. Step 5: Solve for x
    x = 30,149,052,104.36/199,134.51
  6. Step 6: Final answer
    x = 151,400.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.